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/*
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* SONEWS News Server
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* see AUTHORS for the list of contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sonews.storage;
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import java.util.List;
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import javax.mail.internet.InternetAddress;
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import org.sonews.feed.Subscription;
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import org.sonews.util.Pair;
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/**
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* A generic storage backend interface.
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* @author Christian Lins
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* @since sonews/1.0
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*/
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public interface Storage
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{
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void addArticle(Article art)
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throws StorageBackendException;
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void addEvent(long timestamp, int type, long groupID)
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throws StorageBackendException;
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void addGroup(String groupname, int flags)
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throws StorageBackendException;
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int countArticles()
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throws StorageBackendException;
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int countGroups()
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throws StorageBackendException;
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void delete(String messageID)
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throws StorageBackendException;
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Article getArticle(String messageID)
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throws StorageBackendException;
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Article getArticle(long articleIndex, long groupID)
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throws StorageBackendException;
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List<Pair<Long, ArticleHead>> getArticleHeads(Group group, long first, long last)
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throws StorageBackendException;
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List<Pair<Long, String>> getArticleHeaders(Channel channel, long start, long end,
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String header, String pattern)
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throws StorageBackendException;
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long getArticleIndex(Article art, Group group)
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throws StorageBackendException;
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List<Long> getArticleNumbers(long groupID)
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throws StorageBackendException;
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String getConfigValue(String key)
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throws StorageBackendException;
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int getEventsCount(int eventType, long startTimestamp, long endTimestamp,
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Channel channel)
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throws StorageBackendException;
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double getEventsPerHour(int key, long gid)
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throws StorageBackendException;
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int getFirstArticleNumber(Group group)
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throws StorageBackendException;
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Group getGroup(String name)
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throws StorageBackendException;
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List<Channel> getGroups()
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throws StorageBackendException;
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List<String> getGroupsForList(InternetAddress inetaddress)
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throws StorageBackendException;
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int getLastArticleNumber(Group group)
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throws StorageBackendException;
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String getListForGroup(String groupname)
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throws StorageBackendException;
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String getOldestArticle()
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throws StorageBackendException;
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int getPostingsCount(String groupname)
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throws StorageBackendException;
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List<Subscription> getSubscriptions(int type)
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throws StorageBackendException;
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boolean isArticleExisting(String messageID)
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throws StorageBackendException;
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boolean isGroupExisting(String groupname)
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throws StorageBackendException;
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void purgeGroup(Group group)
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throws StorageBackendException;
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void setConfigValue(String key, String value)
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throws StorageBackendException;
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boolean update(Group group)
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throws StorageBackendException;
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}
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